Home / 25,190.60-37,787.99-7,660.58

Finding the Fourth Proportional to 25,190.60, 37,787.99 and 7,660.58

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Solution

The fourth proportional to 25,190.60, 37,787.99 and 7,660.58 is: 11,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.60 : 37,787.99 = 7,660.58 : x
  2. Step 2: Convert to fraction form
    25,190.60/37,787.99 = 7,660.58/x
  3. Step 3: Cross multiply
    25,190.60x = 37,787.99 × 7,660.58
  4. Step 4: Simplify right side
    25,190.60x = 289,477,693.19
  5. Step 5: Solve for x
    x = 289,477,693.19/25,190.60
  6. Step 6: Final answer
    x = 11,491.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.